Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2021-09-02 Sale |
2021-09-07 5:26 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
15,401 | $75.78 | $1,167,093 | 21,755 (Direct) |
View |
2021-06-08 Sale |
2021-06-10 5:06 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
8,989 | $70 | $629,230 | 28,440 (Direct) |
View |
2020-12-01 Sale |
2020-12-03 4:07 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
40,000 | $49.97 | $1,998,800 | 11,747 (Direct) |
View |
2020-09-09 Sale |
2020-09-10 4:11 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
15,000 | $49.8 | $747,000 | 51,747 (Direct) |
View |
2020-09-04 Sale |
2020-09-09 4:03 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
40,000 | $48 | $1,920,000 | 66,747 (Direct) |
View |
2020-08-19 Sale |
2020-08-21 4:07 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
20,000 | $45 | $900,000 | 105,626 (Direct) |
View |
2020-06-02 Sale |
2020-06-04 4:07 pm |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
32,233 | $38.19 | $1,230,960 | 125,626 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2021-12-10 Exercise |
2021-12-14 8:00 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
1,500 | $0 | 19,196 (Direct) |
View |
2021-12-10 Tax Withholding |
2021-12-14 8:00 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
366 | $40.52 | 19,196 (Direct) |
View |
2021-09-02 Exercise |
2021-09-07 5:26 pm |
N/A 2026-05-23 |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
15,401 | $0 | 21,755 (Direct) |
View |
2021-09-02 Exercise |
2021-09-07 5:26 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
8,989 | $1.92 | 21,755 (Direct) |
View |
2021-09-02 Exercise |
2021-09-07 5:26 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
6,412 | $2.39 | 21,755 (Direct) |
View |
2021-06-08 Exercise |
2021-06-10 5:06 pm |
N/A 2026-05-23 |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
8,989 | $0 | 28,440 (Direct) |
View |
2021-06-08 Exercise |
2021-06-10 5:06 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
8,989 | $1.92 | 28,440 (Direct) |
View |
2020-12-10 Option Award |
2020-12-14 2:07 pm |
N/A 2030-12-09 |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
29,000 | $0 | 29,000 (Direct) |
View |
2020-05-08 Exercise |
2020-05-12 4:25 pm |
N/A 2026-05-23 |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
32,233 | $0 | 181,726 (Direct) |
View |
2020-05-08 Exercise |
2020-05-12 4:25 pm |
N/A N/A |
CASTLE BIOSCIENCES INC | CSTL | Spiess Bernhard E. Chief Business Officer |
32,233 | $1.92 | 181,726 (Direct) |
View |